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Apache-2.0

jquery 树形下拉框插件

TreeSelect,ztree开发的树形下拉选择框插件,支持ie8+,谷歌,火狐,360等浏览器
现在升级2.0名字由原来的 MultipleTreeSelect改为TreeSelect.js api更加丰富。结构更加清晰

TreeSelect有如下主要特点

  • 兼容ie8以及各大主流浏览器
  • 低侵入式使用
  • 使用简单方便
  • 继承了ztree高效渲染

TreeSelect 欢迎使用本插件: TreeSelect

单选示例图片:

单选

多选选示例图片

多选

快速上手示例

1. 引入jquery,ztree,TreeSelect等js和css文件

<meta charset="UTF-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<html>
<head>
    <title>$Title$</title>
    <link type="text/css" rel="stylesheet" href="css/demo.css">
    <link type="text/css" rel="stylesheet" href="css/metroStyle/metroStyle.css">
    <script src="js/jquery-1.11.2.min.js"></script>
    <script type="text/javascript" src="js/jquery.ztree.all.js"></script>
    <script type="text/javascript" src="treeSelect.2.0.js"></script>

    <script>


    </script>
    <script type="text/javascript">

        /*节点列表(这里演示的是非异步方式的实现)*/
       var zNodes = [
                   {id: 1, pId: 0, name: "草帽团", open: true},
                   {id: 11, pId: 1, name: "索隆", open: true},
                   {id: 12, pId: 1, name: "路飞"},
                   {id: 13, pId: 1, name: "山治"},
                   {id: 14, pId: 1, name: "乌索普"},
                   {id: 15, pId: 1, name: "娜美"},
                   {id: 16, pId: 1, name: "布鲁克"},
                   {id: 16, pId: 1, name: "乔巴"},
                   {id: 2, pId: 0, name: "红心海贼团", open: true},
                   {id: 21, pId: 2, name: ""},
                   {id: 26, pId: 2, name: "贝波"},
                   {id: 22, pId: 2, name: "强巴鲁"}
               ];
        /*注册下拉树方法也很简单*/
        $(document).ready(function () {
            $("textarea").treeSelect({
            zNodes: zNodes
        });
        });
        //-->
    </script>
</head>

<body style= "width: 1080px ;margin: 0 auto" ><br>
<!--在此元素上进行渲染下拉树-->
<textarea   style="width: 300px" checks="1,11,2,23"  type="text" readonly></textarea>

</body>
</html>

2.异步加载配置实例

 var options = {
             async: {
                 enable: true,
                 url: "http://qqxh.net"
             }
         }

3.json配置项

 var options = {
             
             async: {
                 enable: true,
                 url: "异步加载url地址"
             },
             chkStyle: "radio",/*radio:单选模式(Radio mode),checkbox:多选模式(checkbox mode),默认为多选*/
             radioType : "all",/*all:整个树只能有一个选中,level:在每一级节点范围内当做一个分组*/
             height:433,/*容器高度默认200px*/
             callback:{
                             onCheck: function (treeSelectObj,treeNode) {/*选中事件的回调*/
             },
              /*Y和N分别表示选中事件和取消选中事件,p表示是否级联父级,s表示是否级联子级别,默认是都级联*/
             chkboxType: {"Y": "ps", "N": "ps"},
             checks: [1,2,3,4,5],/*默认选中值*/
             direction: "auto",/* up向上,down向下,auto自动适应  默认auto*/
             filter:true,/* 是否开启过滤 默认true*/
             searchShowParent: true,/* 搜索是否展示父级默认false*/
             beforeSearchPromise: function (defer, treeSelectObj) {
                         /*模拟异步加载,正常场景为ajax请求成功后加载数据到treeSelectObj后再调用defer.resolve()*/
                         setTimeout(function () {
                             defer.resolve();
                         }, 500);
                     }
         }

3.dom配置项

配置项 实例 描述
checks 1,2,3,4,5 默认值。除了json配置项之外也可以这样设置默认选中值
 <textarea   style="width: 300px;overflow:hidden;"  checks ="1,11,2,23"   type="text" readonly>
 </textarea>

4.api列表

api 参数 描述
text() void 获取选中后的文本信息
val() void 获取选中后的key列表,逗号分隔
val([1,2,3]) key列表 重新赋值选中的key
destory() void 销毁treeSelect,销毁后不可再调用所有的的api
reloadNode() 空或者节点列表 重新加载节点(异步情况是从后台获取)
  • 获取选中文本
  
 
var obj=$("#yourContentId").treeSelect(options);(如果这里jquery选择器获取到多个元素,那么这里返回的是TreeSelect对象列表)

    obj.text();
 

常见问题:

问题 方案
1.如何再次赋选中值 通过treeSelect对象的val([1,2,3]);方法
2.选中回调函数如何获取节点数据 onCheck回调函数会传给你两个参数:function(1.treeSelect对象,2.选中节点数据){}
3.如何禁止选择父节点 node数据种添加chkDisabled为true即可例如:{ "id":1, "name":"test1", "checked":true, "chkDisabled":true}
4.如何不级联选择 通过添加如下配置项即可实现 chkboxType: {"Y": "", "N": ""},

注意事项:

检索功能只支持前端检索,也就是说想使用异步模式的话,需要一次把树节点加载完全然后检索才有意义。配合异步后台检索暂时不考虑实现。 如果节点数量特别多的话,建议第一批先加载前n层级的节点。然后用户使用搜索功能的话,先加载后台命中节点后再执行前端检索。

TreeSelect 开发者网站:http://www.qqxh.net

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简介

TreeSelect是基于jquery,ztree开发的树形下拉选择框插件,支持ie8+,谷歌,火狐,360等浏览器 展开 收起
JavaScript 等 4 种语言
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